स्टेपी प्रकार के जलवायु क्षेत्र में मुख्य रूप से किस प्रकार की प्राकृतिक वनस्पति पाई जाती है?

Monsoon forests (Tropical Deciduous Forests) in India are found in regions receiving annual rainfall between:

Which of the following statements is/are correct? I. The variation in the duration of sunlight at different places is due to differences in latitude, altitude, season, and the duration of the day. II. Due to longer duration of sunlight, trees grow faster in summer.